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We introduce Macdonald polynomials indexed by $n$-tuples of partitions and characterized by certain orthogonality and triangularity relations. We prove that they can be explicitly given as products of ordinary Macdonald polynomials…

Combinatorics · Mathematics 2019-09-23 Camilo González , Luc Lapointe

Starting from an integrable rank-$n$ vertex model, we construct an explicit family of partition functions indexed by compositions $\mu = (\mu_1,\dots,\mu_n)$. Using the Yang-Baxter algebra of the model and a certain rotation operation that…

Mathematical Physics · Physics 2019-04-16 Alexei Borodin , Michael Wheeler

In this paper, we derive new combinatorial formulas for symmetric Macdonald polynomials $P_{\lambda}(X;q,t)$ and integral Macdonald polynomials $J_{\lambda}(X;q,t)$, in terms of several new statistics and the major index for a partition…

Combinatorics · Mathematics 2026-02-24 Emma Yu Jin , Xiaowei Lin

We provide elementary identities relating the three known types of non-symmetric interpolation Macdonald polynomials. In addition we derive a duality for non-symmetric interpolation Macdonald polynomials. We consider some applications of…

Quantum Algebra · Mathematics 2022-07-05 Siddhartha Sahi , Jasper Stokman

We study the specialization of the type A nonsymmetric Macdonald polynomials at $t=0$ based on the combinatorial formula of Haglund, Haiman, and Loehr. We prove that this specialization expands nonnegatively into the fundamental slide…

Combinatorics · Mathematics 2020-03-05 Sami Assaf

The two variable Kostka functions are the scalar products of the Macdonald polynomials with the Schur polynomials with respect to the scalar product which makes the Hall-Littlewood polynomials pairwise orthogonal. A conjecture of Macdonald…

q-alg · Mathematics 2008-02-03 Friedrich Knop

The Knop-Sahi interpolation Macdonald polynomials are inhomogeneous and nonsymmetric generalisations of the well-known Macdonald polynomials. In this paper we apply the interpolation Macdonald polynomials to study a new type of basic…

Classical Analysis and ODEs · Mathematics 2009-12-09 Alain Lascoux , Eric M. Rains , S. Ole Warnaar

Nonsymmetric Askey-Wilson polynomials are usually written as Laurent polynomials. We write them equivalently as 2-vector-valued symmetric Laurent polynomials. Then the Dunkl-Cherednik operator of which they are eigenfunctions, is…

Classical Analysis and ODEs · Mathematics 2018-03-28 Tom H. Koornwinder , Fethi Bouzeffour

We construct type A partially-symmetric Macdonald polynomials $P_{(\lambda \mid \gamma)}$, where $\lambda \in \mathbb{Z}_{\geq 0}^{n-k}$ is a partition and $\gamma \in \mathbb{Z}_{\geq 0}^k$ is a composition. These are polynomials which are…

Combinatorics · Mathematics 2023-12-20 Ben Goodberry

We study the nonsymmetric Macdonald polynomials specialized at infinity from various points of view. First, we define a family of modules of the Iwahori algebra whose characters are equal to the nonsymmetric Macdonald polynomials…

Representation Theory · Mathematics 2017-12-11 Evgeny Feigin , Syu Kato , Ievgen Makedonskyi

An overview of the basic results on Macdonald(-Koornwinder) polynomials and double affine Hecke algebras is given. We develop the theory in such a way that it naturally encompasses all known cases. Among the basic properties of the…

Quantum Algebra · Mathematics 2012-08-30 Jasper V. Stokman

Let $\Lambda$ be the space of symmetric functions and $V_k$ be the subspace spanned by the modified Schur functions $\{S_\lambda[X/(1-t)]\}_{\lambda_1\leq k}$. We introduce a new family of symmetric polynomials,…

Quantum Algebra · Mathematics 2007-05-23 L. Lapointe , A. Lascoux , J. Morse

In this paper we present a Mathematica notebook for computing nonsymmetric and interpolation Macdonald polynomials. We present the new recursive generation algorithm employed within the notebook and the theory required for its development.…

Quantum Algebra · Mathematics 2012-01-24 Wendy Baratta

We prove that supports of non-symmetric Macdonald polynomials are $M$-convex. As a consequence, we resolve a 2019 conjecture of Monical, Tokcan, and Yong that they have the saturated Newton polytope property. As a corollary we show that…

Combinatorics · Mathematics 2026-03-24 Milo Bechtloff Weising , Alexander E. Black

This article serves as an introduction to several recent developments in the study of quasisymmetric functions. The focus of this survey is on connections between quasisymmetric functions and the combinatorial Hopf algebra of noncommutative…

Combinatorics · Mathematics 2018-10-17 Sarah K. Mason

The paper is mainly devoted to the irreducibility of the polynomial representation of the double affine Hecke algebra for an arbitrary reduced root systems and generic "central charge" q. The technique of intertwiners in the non-semisimple…

Quantum Algebra · Mathematics 2008-11-01 Ivan Cherednik

In symmetric Macdonald polynomial theory the Pieri formula gives the branching coefficients for the product of the rth elementary symmetric function and the Macdonald polynomial. In this paper we give the nonsymmetric analogues for the…

Quantum Algebra · Mathematics 2008-07-03 Wendy Baratta

The plethystic transformation $f[X] \mapsto f[X/(1-t)]$ and LLT polynomials are central to the theory of symmetric Macdonald polynomials. In this work, we introduce and study nonsymmetric flagged LLT polynomials. We show that these admit…

Combinatorics · Mathematics 2025-07-29 Jonah Blasiak , Mark Haiman , Jennifer Morse , Anna Pun , George H. Seelinger

The Jack polynomials with prescribed symmetry are obtained from the nonsymmetric polynomials via the operations of symmetrization, antisymmetrization and normalization. After dividing out the corresponding antisymmetric polynomial of…

Quantum Algebra · Mathematics 2009-11-07 P. J. Forrester , D. S. McAnally , Y. Nikoyalevsky

Motivated by the work of Koornwinder, Macdonald, Cherednik, Noumi, and van Diejen we define a 6-parameter double affine Hecke algebra and establish its basic structural properties, including the existence of an involution. We relate the…

q-alg · Mathematics 2007-05-23 Siddhartha Sahi